[INFO] fetching crate pidfile-rs 0.1.2...
[INFO] documenting pidfile-rs-0.1.2 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate pidfile-rs 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pidfile-rs 0.1.2 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pidfile-rs 0.1.2
[INFO] finished tweaking crates.io crate pidfile-rs 0.1.2
[INFO] tweaked toml for crates.io crate pidfile-rs 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c74a31a3fbf5867976ed52c6771413e87134a3d497f6a14083bcb4aef4581791
[INFO] running `Command { std: "docker" "start" "-a" "c74a31a3fbf5867976ed52c6771413e87134a3d497f6a14083bcb4aef4581791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c74a31a3fbf5867976ed52c6771413e87134a3d497f6a14083bcb4aef4581791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74a31a3fbf5867976ed52c6771413e87134a3d497f6a14083bcb4aef4581791", kill_on_drop: false }`
[INFO] [stdout] c74a31a3fbf5867976ed52c6771413e87134a3d497f6a14083bcb4aef4581791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 97954d89180b59934c38cc24e5e5083102a695863d5beb43f524834b864388ca
[INFO] running `Command { std: "docker" "start" "-a" "97954d89180b59934c38cc24e5e5083102a695863d5beb43f524834b864388ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling system-deps v5.0.0
[INFO] [stderr]    Compiling pidfile-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping pidfile-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pidfile-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `Command { std: "docker" "inspect" "97954d89180b59934c38cc24e5e5083102a695863d5beb43f524834b864388ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97954d89180b59934c38cc24e5e5083102a695863d5beb43f524834b864388ca", kill_on_drop: false }`
[INFO] [stdout] 97954d89180b59934c38cc24e5e5083102a695863d5beb43f524834b864388ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 649ba756d4444cf0d85c90008a45c0e02694594de780f34ffc3fcacdd1ac85f4
[INFO] running `Command { std: "docker" "start" "-a" "649ba756d4444cf0d85c90008a45c0e02694594de780f34ffc3fcacdd1ac85f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pidfile-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping pidfile-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pidfile-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "649ba756d4444cf0d85c90008a45c0e02694594de780f34ffc3fcacdd1ac85f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649ba756d4444cf0d85c90008a45c0e02694594de780f34ffc3fcacdd1ac85f4", kill_on_drop: false }`
[INFO] [stdout] 649ba756d4444cf0d85c90008a45c0e02694594de780f34ffc3fcacdd1ac85f4